Kudamatsu in Winter

In winter (December, January and February), Kudamatsu sees average daytime highs around 10°C and overnight lows near 5°C, with 206 mm of precipitation over about 29 wet days across the season. It is the coldest season of the year and the driest season of the year.

Over the season highs ease from about 13°C in early December to 10°C by late February. The sky is clear or mostly clear about 23% of the time across winter, and the air most often feels dry.

Winter is Kudamatsu's weakest season of the year to visit on our travel score. For the whole year in context, see Kudamatsu's year-round climate.

Avg daytime high
10°C
coldest season of the year
Avg overnight low
5°C
Precipitation
206 mm
29 wet days
Avg wind
17 km/h
Travel score
2.2
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Kudamatsu in Winter

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 13°C in early December to 10°C by late February.

A typical winter day in Kudamatsu reaches about 10°C and drops to 5°C overnight. The warmest of the three months is December, the coolest January.

10°15°20°DecJanFeb

How winter really feels in Kudamatsu

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 5 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
5
wind chill below the day's low

The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.

Kudamatsu weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 629.31.3101.7
Feb / 769.51.110.72.0
Mar12° / 12410.70.211.73.3
Apr17° / 11°14810.2012.85.2
May21° / 15°16910.1013.76.3
Jun24° / 20°26414.3014.25.9
Jul27° / 24°25914.70145.5
Aug29° / 25°14712.7013.35.2
Sep26° / 22°16911.5012.26.4
Oct22° / 16°1137.7011.17.1
Nov16° / 11°788.1010.25.5
Dec11° / 699.80.39.82.9

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitationSnow

Kudamatsu gets around 206 mm of rain and snow over 29 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 17 km/h across winter.

05101520DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 h 54 min in early December to 11 h 12 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 2.7 kWh/m².

01234DecJanFeb
Planning a trip in winter

Hazard calendar for Kudamatsu

In seasonPeak

In winter, Kudamatsu overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Kudamatsu sits in the Pacific typhoon belt; the season peaks July–October.

Kudamatsu's rainy season runs March–September, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is winter a good time to visit Kudamatsu?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

2.2
Sightseeing
4th-best month of the year
0.0
Beach & pool
4th-best month of the year

winter is a weaker month for outdoor sightseeing in Kudamatsu.

What to pack for Kudamatsu in Winter

From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In winter, Kudamatsu sees daytime highs around 10°C and nights near 5°C. Pack a warm layer. Worth having: rain gear. About 29 days see rain.

a warm layerrain gear

Sea temperature near Kudamatsu in Winter

The nearest coast averages about 15°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 9 to Nov 16 — about 5.3 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Kudamatsu in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kudamatsu peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 23UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Kudamatsu in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in Kudamatsu is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateApr 1323 µg/m³Oct 1612 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar23Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug16Moderate
Sep13Moderate
Oct11Good
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Kudamatsu?

Kudamatsu sits at 34.0°N, 131.9°E, 13 m above sea level, in Japan. The nearest listed city is Tokuyama, 6.0 km away.

Topography around Kudamatsu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kudamatsu.

Within 3 km, the terrain around Kudamatsu has significant variations in elevation — a maximum elevation change of 270 m around an average of 37 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 694 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,369 m.

The land around Kudamatsu is covered by artificial surfaces (36%), trees (33%) and water (27%) within 3 km, trees (48%) and water (41%) within 16 km, and water (49%) and trees (44%) within 80 km.

3 km
270 m
16 km
694 m
80 km
1,369 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Winter weather nearby: Tokuyama 6.0 km · Shūnan 9.0 km · Hikari 10 km · Yanai 24 km · Hōfu 28 km · Iwakuni 37 km · Ōtake 39 km · Yamaguchi 42 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Kudamatsu (34.0096°, 131.8664°, elevation 13 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.